tunnels

A tunnel is an unerground passage way. The definition of what constitutes a tunnel is not universally agreed upon. However, in general tunnels are at least twice as long as they are wide. In addition, they should be completely enclosed on all sides, save for the openings at each end. Some civic planners define a tunnel as 0.1 miles (0.16 kilometers) in length or longer, while anything shorter than this should be called a chute. For example, the underpass beneath Yahata Station in Kitakyushu, Japan is only 0.08 miles long and therefore should not be considered a tunnel.

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@bumblebeda the tunnels must've been suffocating
RT @KarenWalkerBot: Grace, is this another one of your little stories about how people travel underground in a network of trains and tunnel…
San Joaquin County Board of Supervisors take vote on twin tunnels project #sacramento
guys with tattoos and tunnels 👌🙏
Rectificatie: Nieuwsbericht - NedMobiel
@AaronYeoman no as they say outdoors and no tunnels ;(
@NikkiCoates and -ps - as well as the two foot tunnels of course. (and also that Transport Planners have no imagination)
RT @scharlab: Magical tree tunnels across the world—including a street in Brazil's Porto Alegre. by @artfido
Minneapolis strikes deal with Met Council on Southwest LRT: The deal eliminates one of two tunnels in the Keni...
This #TravelTuesday, let’s discover the fascinating underwater world of The Dig! Who has explored these tunnels?
the light at the end of so many tunnels
Grace, is this another one of your little stories about how people travel underground in a network of trains and tunnels?
The search for an 18th century explorer inside the underground tunnels of Paris
"GOTTA REDUCE COSTS," say owners of teams with giant shops, private jets, personal wind tunnels, and luxury motorhomes.
Girl:"JBo needs to start spending our tuition money on underground tunnels. It's inhumane to make us walk in this heat."
Tree tunnels in Ireland
What not to do at the beach ---> Build a dangerous, collapsible tunnel in the sand dunes:
City Centre Tunnels: Two weeks of overnight closures begin at 10PM tonight (04/07) -
Rail line built on 7 tunnels, 30+ small, large bridges; Small station- Chakrakhwal- between Udhampur and Katra
Nearly 1.2km of new platform tunnels have been constructed beneath Liverpool Street to date #ExploreCrossrail
...40m below ground this #360Pano shows the entrance to the platform tunnels #ExploreCrossrail
RT @Crossrail: Over 100,000 concrete segments have now been produced at Chatham in Kent to line our eastern tunnels
RT @networkwm: #BrumTunnels will close 19 July - 31 August. Don't cause a Jam, get the bus, train or tram.
@Evilandvile Not sure about aliens underground maybe but I'm saying there are tunnels underground that connect to every point of this earth.
RT @Bardic_: Chua Progress: my sister and I are working towards level 14. We plan to share a chua house and make tunnels out of our deco. #…
Silicone Skin Tunnel blauw (per paar) 12mm "Kaos Software". Interesse? Bestellen kan op -
@KanaVerseNPCs @AshWilliams_SR1 @TaliZorah_SR1 @LiaraShepard All right. *noticed there's a colonist at the end of the tunnels* What's he -
Bridges and Tunnels - HUGH L. CAREY TUNNEL - MANHATTAN BOUND
RT @ry2ward: Underground tunnels for life. @reedsox33 @logano15
#ICE_RAILCONF. @Crossrail tunnels now 82% complete. Expect all complete by Q2 2015. Stations now being built. 56% of whole project done.
The @nxwestmidlands tunnels special ticket for £80 is on sale from today! Find out more here:
Je capte.mal ta des tunnels.de partout
@Alyssalyssum Fear of tunnels and caves is due to claustrophobia, or possibly achluphobia or panphobia.. You were made to by the net :)
rock tunnels
#BrumTunnels will close 19 July - 31 August. Don't cause a Jam, get the bus, train or tram.
decades before there were clouds of birds tunnels of birds forests ablaze with birds
How you burn bridges but can't construct tunnels?
MTU will deliver 13 PowerPacks with Series 1600 engines for vehicles in Swiss rail tunnels.
Bunnymund's tunnels or north's sleigh?
one of my tunnels came out of my ear and I can't find it:( I hope it doesn't close
July Home Maintenance Tip: Inspect your foundation walls for signs of termites, like tunnels or dirt bridges. If you see signs, call a...
@antdecluva whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@EXDlimited whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@TrishGMusic whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@Coach_Logistics whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@DonnaAble whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@ScarlettAylen whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@AirbusGroupLIVE whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@qbagorski whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!
@A1vin31 @EliteHelicopter whilst you're visiting, also check our The Wind Tunnel Project taking place inside the Farnborough wind tunnels!

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